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Chemistry Olympiad Plan for Season 2026-2027
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EventsDetails
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September
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OL27 Registration startChemOL27 registrations starting day
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October
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OL27 Early registration deadlineChemOL27 Early registration deadline
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OLE-1ChemOL7&8: Chapter 1-3
ChemOL9: Chapter 1-3
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ARBIChO selection R-1Abu Rayhan Biruni International Chemistry Olympiad National Online Selection Round-1
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ARBIChO selection R-2Abu Rayhan Biruni International Chemistry Olympiad National Onsite Selection Round-2
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OL27 Late registration deadlineChemOL27 Late registration deadline
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OLE-2ChemOL7&8: Chapter 4-5
ChemOL9: Chapter 4-6
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November
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ARBIChO 2026Abu Rayhan Biruni International Chemistry Olympiad 2026
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KBO 2026Kazakhstan Bilim Olympiad 2026
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Химическая интернет-олимпиада 2026Химическая интернет-олимпиада 2026
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OLE-3ChemOL7&8: Chapter 6-7
ChemOL9: Chapter 7-9
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December
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OLE-4ChemOL7&8: Chapter 8-9
ChemOL9: Chapter 10-12
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January
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OL27 Semester 2 Registration startChemOL Semester 2 Registration start
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OL27 Semester 2 Registration deadlineChemOL Semester 2 Registration deadline
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NChO-1 2027National Chemistry Olympiad Round-1 2027
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OLE-5ChemOL7&8: Chapter 10-11
ChemOL9: Chapter 13-15
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February
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NChO-2 2027National Chemistry Olympiad Round-2 2027
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OLE-6ChemOL7&8: Chapter 12-13
ChemOL9: Chapter 16-17
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March
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NChO-3 2027National Chemistry Olympiad Round-3 2027
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OLE-7ChemOL7&8: Chapter 14-15
ChemOL9: Chapter 18-19
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April
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NChO-4 2027National Chemistry Olympiad Round-4 2027
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IMChO 2027International Mendeleev Chemistry Olympiad 2027 (Kyrgyzstan)
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OLE-8ChemOL7&8: Chapter 16-17
ChemOL9: Chapter 20-23
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May
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OLE-9ChemOL7&8: Chapter 18-19
ChemOL9: Chapter 24-26
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June
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Training CampsTraining Camps
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July
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IChO 2027International Chemistry Olympiad 2027 Taipei
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ChemOL7&8 - Introductory Chemistry by Nivaldo J. Tro 7th global edition in SI units
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ChemOL9: CHEMISTRY: A MOLECULAR APPROACH BY NIVALDO J. TRO
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Registration to course ChemOL (Chemistry Olympiad League)
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OLE - Olympiad League Exam
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International Olympiads
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Team Contests
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NChO - National Chemsitry Olympiad
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Training Camps
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